<template>
	<div>
		<!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>用户管理</el-breadcrumb-item>
			<el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片视图区 -->
		<el-card class="box-card">
			<!-- 搜索与添加区域 -->
			<el-row :gutter="20">
				<el-col :span="7">
					<el-input placeholder="请输入内容" class="input-with-select" v-model="queryInfo.query" clearable @clear="getUserList">
						<template #append>
							<el-button icon="el-icon-search" @click="getUserList"></el-button>
						</template>
					</el-input>
				</el-col>
				<el-col :span="4"><el-button type="primary" @click="addDialogVisible = true">添加用户</el-button></el-col>
			</el-row>
			<!-- 用户列表区域 -->
			<el-table :data="userList" style="width: 100%" border stripe>
				<el-table-column type="index" label="序号"></el-table-column>
				<el-table-column prop="username" label="姓名"></el-table-column>
				<el-table-column prop="email" label="邮箱"></el-table-column>
				<el-table-column prop="mobile" label="电话"></el-table-column>
				<el-table-column prop="role_name" label="角色"></el-table-column>
				<el-table-column prop="mg_state" label="状态">
					<template slot-scope="scope">
						<el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
					</template>
				</el-table-column>
				<el-table-column label="操作" width="190px">
					<template slot-scope="scope">
						<!-- 修改按钮 -->
						<el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
						<!-- 删除按钮 -->
						<el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
						<!-- 分配角色按钮 -->
						<el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
							<el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
						</el-tooltip>
					</template>
				</el-table-column>
			</el-table>
			<!-- 分页区域 -->
			<el-pagination
				@size-change="handleSizeChange"
				@current-change="handleCurrentChange"
				:current-page="queryInfo.pagenum"
				:page-sizes="[2, 4, 8, 20]"
				:page-size="queryInfo.pagesize"
				layout="total, sizes, prev, pager, next, jumper"
				:total="total"
			></el-pagination>
		</el-card>
		<!-- 添加用户对话框 -->
		<el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClose">
			<!-- 内容主体区域 -->
			<el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
				<el-form-item label="用户名" prop="username"><el-input v-model="addForm.username"></el-input></el-form-item>
				<el-form-item label="密码" prop="password"><el-input v-model="addForm.password"></el-input></el-form-item>
				<el-form-item label="邮箱" prop="email"><el-input v-model="addForm.email"></el-input></el-form-item>
				<el-form-item label="手机" prop="mobile"><el-input v-model="addForm.mobile"></el-input></el-form-item>
			</el-form>
			<!-- 底部区域 -->
			<template #footer>
				<span class="dialog-footer">
					<el-button @click="addDialogVisible = false">取 消</el-button>
					<el-button type="primary" @click="addUser">确 定</el-button>
				</span>
			</template>
		</el-dialog>
		<!-- 编辑用户对话框 -->
		<el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @close="editDialogClose">
			<!-- 内容主体区域 -->
			<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
				<el-form-item label="用户名" prop="username"><el-input v-model="editForm.username" :disabled="true"></el-input></el-form-item>
				<el-form-item label="邮箱" prop="email"><el-input v-model="editForm.email"></el-input></el-form-item>
				<el-form-item label="手机" prop="mobile"><el-input v-model="editForm.mobile"></el-input></el-form-item>
			</el-form>
			<!-- 底部区域 -->
			<template #footer>
				<span class="dialog-footer">
					<el-button @click="editDialogVisible = false">取 消</el-button>
					<el-button type="primary" @click="editUserInfo">确 定</el-button>
				</span>
			</template>
		</el-dialog>
		<!-- 分配角色对话框 -->
		<el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
			<div>
				<p>当前用户：{{ userInfo.username }}</p>
				<p>当前的角色：{{ userInfo.role_name }}</p>
				<p>
					分配新角色：
					<el-select v-model="selectedRoleId" placeholder="请选择">
						<el-option v-for="item in roleList" :key="item.id" :label="item.roleName" :value="item.id"></el-option>
					</el-select>
				</p>
			</div>
			<div slot="footer">
				<el-button @click="setRoleDialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="saveRoleInfo">确 定</el-button>
			</div>
		</el-dialog>
	</div>
</template>

<script>
export default {
	data() {
		// 验证邮箱的规则
		var checkEmail = (rule, value, callback) => {
			// 验证邮箱的正则表达式
			const regEmail = /^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/;
			if (regEmail.test(value) == true) {
				// 合法
				return callback();
			}
			callback(new Error('请输入正确的邮箱地址！'));
		};
		// 验证手机号的规则
		var checkMobile = (rule, value, callback) => {
			// 验证手机号的正则表达式
			// const regMobile = /^[1][3,4,5,7,8][0-9]{9}$/
			const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
			if (regMobile.test(value) == true) {
				// 合法
				return callback();
			}
			callback(new Error('请输入正确的手机号码！'));
		};
		return {
			// 获取用户列表参数对象
			queryInfo: {
				query: '',
				// 当前页数
				pagenum: 1,
				// 当前每页显示多少条数据
				pagesize: 2
			},
			// 用户列表
			userList: [],
			// 用户数量
			total: 0,
			// 控制添加用户对话框的现隐
			addDialogVisible: false,
			// 添加用户的表单数据
			addForm: {
				username: '',
				password: '',
				email: '',
				mobile: ''
			},
			// 添加用户的表单验证规则
			addFormRules: {
				// 验证用户名
				username: [{ required: true, message: '请输入用户名', trigger: 'blur' }, { min: 3, max: 12, message: '长度在 3 到 12 个字符', trigger: 'blur' }],
				// 验证密码
				password: [{ required: true, message: '您还未输入密码！', trigger: 'blur' }, { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }],
				// 验证邮箱
				email: [{ required: true, message: '请输入邮箱', trigger: 'blur' }, { validator: checkEmail, trigger: 'blur' }],
				//验证手机号
				mobile: [{ required: true, message: '请输入手机号', trigger: 'blur' }, { validator: checkMobile, trigger: 'blur' }]
			},
			// 控制修改用户信息对话框的现隐
			editDialogVisible: false,
			// 查询到的用户信息对象
			editForm: {},
			// 修改用户的表单验证规则
			editFormRules: {
				// 验证邮箱
				email: [{ required: true, message: '请输入邮箱', trigger: 'blur' }, { validator: checkEmail, trigger: 'blur' }],
				//验证手机号
				mobile: [{ required: true, message: '请输入手机号', trigger: 'blur' }, { validator: checkMobile, trigger: 'blur' }]
			},
			// 控制分配角色对话框的现隐
			setRoleDialogVisible: false,
			// 需要被分配角色的用户信息
			userInfo: {},
			// 角色列表
			roleList: [],
			// 已选中的角色id值
			selectedRoleId: ''
		};
	},
	created() {
		this.getUserList();
	},
	methods: {
		// 获取用户列表
		async getUserList() {
			const { data: res } = await this.$http.get('users', { params: this.queryInfo });
			console.log(res);
			if (res.meta.status !== 200)
				return this.$message.error({
					showClose: true,
					message: '获取用户列表失败',
					duration: 1000
				});
			this.userList = res.data.users;
			this.total = res.data.total;
		},
		// 监听pagesize改变事件
		handleSizeChange(newSize) {
			this.queryInfo.pagesize = newSize;
			this.getUserList();
		},
		// 监听页码值改变事件
		handleCurrentChange(newPage) {
			this.queryInfo.pagenum = newPage;
			this.getUserList();
		},
		// 切换用户状态
		async userStateChanged(userINfo) {
			console.log(userINfo);
			const { data: res } = await this.$http.put(`users/${userINfo.id}/state/${userINfo.mg_state}`);
			if (res.meta.status !== 200) {
				userINfo.mg_state = !userINfo.mg_state;
				return this.$message.error({
					showClose: true,
					message: '修改用户状态失败，请重试!',
					duration: 1000
				});
			}
			this.$message.success({
				showClose: true,
				message: '修改用户状态成功！',
				duration: 3000
			});
		},
		// 关闭对话框重置添加用户表单
		addDialogClose() {
			this.$refs.addFormRef.resetFields();
		},
		// 添加用户事件
		addUser() {
			this.$refs.addFormRef.validate(async valid => {
				if (!valid) return;
				// 可以发起添加用户的网络请求
				const { data: res } = await this.$http.post('users', this.addForm);
				if (res.meta.status !== 201) {
					return this.$message.error({
						showClose: true,
						message: '添加用户失败！',
						duration: 3000
					});
				}
				this.$message.success({
					showClose: true,
					message: '添加用户成功！',
					duration: 3000
				});
				// 隐藏添加用户对话框
				this.addDialogVisible = false;
				// 添加成功刷新页面 重新获取用户列表
				this.getUserList();
			});
		},
		// 展示编辑用户的对话框
		async showEditDialog(id) {
			console.log(id);
			const { data: res } = await this.$http.get(`users/${id}`);
			if (res.meta.status !== 200) {
				this.$message.error({
					showClose: true,
					message: '查询用户信息失败！'
				});
			}
			this.editForm = res.data;
			this.editDialogVisible = true;
		},
		// // 关闭对话框重置修改用户表单
		editDialogClose() {
			this.$refs.editFormRef.resetFields();
		},
		// 修改用户事件
		editUserInfo() {
			this.$refs.editFormRef.validate(async valid => {
				if (!valid) return;
				// 发起修改用户的网络请求
				const { data: res } = await this.$http.put('users/' + this.editForm.id, { email: this.editForm.email, mobile: this.editForm.mobile });
				if (res.meta.status !== 200) {
					return this.$message.error({
						showClose: true,
						message: '修改用户信息失败！'
					});
				}
				// 关闭对话框
				this.editDialogVisible = false;
				// 刷新数据列表
				this.getUserList();
				// 提示修改成功
				this.$message.success({
					showClose: true,
					message: '修改用户信息成功！'
				});
			});
		},
		// 删除用户事件
		async removeUserById(id) {
			const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
				confirmButtonText: '确定',
				cancelButtonText: '取消',
				type: 'warning'
				// 如果用户确认删除，返回值为字符串 confirm
				// 如果用户取消删除，返回值为字符串 cancel
			}).catch(err => err);
			if (confirmResult !== 'confirm') {
				return this.$message.info({
					showClose: true,
					message: '已取消删除！'
				});
			}
			const { data: res } = await this.$http.delete('users/' + id);
			if (res.meta.status !== 200) {
				this.$message.error({
					showClose: true,
					message: '删除用户失败！'
				});
			}
			this.$message.success({
				showClose: true,
				message: '删除用户成功！'
			});
			this.getUserList();
		},
		// 展示分配角色的对话框
		async setRole(userinfo) {
			this.userInfo = userinfo;
			// 获取所有的角色列表
			const { data: res } = await this.$http.get('roles');
			if (res.meta.status !== 200) {
				this.$message.success({
					showClose: true,
					message: '获取角色列表失败！'
				});
			}
			this.roleList = res.data;
			this.setRoleDialogVisible = true;
		},
		// 修改用户角色时间
		async saveRoleInfo(){
			if(!this.selectedRoleId){
				return this.$message.error({
					showClose: true,
					message: '请选择要分配的角色',
				})
			}
			const { data:res } = await this.$http.put(`users/${this.userInfo.id}/role`,{rid: this.selectedRoleId})
			if(res.meta.status !== 200){
				return this.$message.error({
					showClose: true,
					message: '更新角色失败！',
				})
			}
			this.$message.success({
					showClose: true,
					message: '更新角色成功！',
			})
			this.getUserList();
			this.setRoleDialogVisible = false;
		},
		// 今天分配角色对话框的事件
		setRoleDialogClosed(){
			this.selectedRoleId = '',
			this.userInfo = []
		}
	}
};
</script>

<style lang="less" scoped></style>
